commit 17833a1b0d70cd5cea342cadea9fdbbf16748bc6
author Dan Stoza <stoza@google.com> Thu Jun 04 19:40:03 2015 -0700
committer Dan Stoza <stoza@google.com> Thu Jun 04 19:41:06 2015 -0700
tree cf1726f27f0a9e2dc162197d37d33b6242833a5a
parent 9e6d2ee0302c6f6108488237821958c42ac380a1

SF: Don't crop surface damage against viewport

Apply the display transform to surface damage, but don't intersect it
with the viewport.

Bug: 21486007
Change-Id: I94e697cea52096a960385d5f3b89609fdcf30a02

services/surfaceflinger/Layer.cpp

diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 8d8af52..e2a0167 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -557,9 +557,7 @@
             surfaceDamageRegion.getBounds() == Rect::INVALID_RECT) {
         layer.setSurfaceDamage(surfaceDamageRegion);
     } else {
-        Region surfaceDamage =
-            tr.transform(surfaceDamageRegion.intersect(hw->getViewport()));
-        layer.setSurfaceDamage(surfaceDamage);
+        layer.setSurfaceDamage(tr.transform(surfaceDamageRegion));
     }
 
     if (mSidebandStream.get()) {